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Plot data from CSV file with Matplotlib
To extract CSV file for specific columns to list in python, we can use Pandas read_csv() method.
Steps
- Make a list of columns that have to be extracted.
- Use read_csv() method to extract the CSV file data into a data frame.
- Print the exracted data.
- Plot the data frame using plot() method.
- To display the figure, use show() method.
Example
import pandas as pd from matplotlib import pyplot as plt plt.rcParams["figure.figsize"] = [7.00, 3.50] plt.rcParams["figure.autolayout"] = True columns = ["Name", "Marks"] df = pd.read_csv("input.csv", usecols=columns) print("Contents in csv file:
", df) plt.plot(df.Name, df.Marks) plt.show()
Output
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